Startech.Com 2M Anti-Theft Keyed Lock - Security Cable Locks Nano Slot Notebooks

The lock body features zinc-alloy plating, which prevents corrosion and wear. It also features a spacer near the lock tip that protects the device from scuffing or denting the laptop's lock slot. It is the ideal security lock for tradeshows, POS, kiosks, office security, and product exhibits.

eBay